-96.66% is the change from 598 to 20
Calculation steps:
[( 20 - 598 ) ÷ 598] x 100 = -96.66%
Formula
Percentage change = [(20 - 598) / 598] x 100
Subtract the new number by the original number
20 - 598 = -578
-578 ÷ 598 = -0.9665551839464883
-0.9665551839464883 x 100 = -96.66%